EP1327769B1 - Moteur à combustion interne avec recirculation de gaz d'échappement - Google Patents

Moteur à combustion interne avec recirculation de gaz d'échappement Download PDF

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Publication number
EP1327769B1
EP1327769B1 EP03000240A EP03000240A EP1327769B1 EP 1327769 B1 EP1327769 B1 EP 1327769B1 EP 03000240 A EP03000240 A EP 03000240A EP 03000240 A EP03000240 A EP 03000240A EP 1327769 B1 EP1327769 B1 EP 1327769B1
Authority
EP
European Patent Office
Prior art keywords
air
internal combustion
exhaust gas
combustion engine
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP03000240A
Other languages
German (de)
English (en)
Other versions
EP1327769A2 (fr
EP1327769A3 (fr
Inventor
Wolfgang Beberdick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutz AG
Original Assignee
Deutz AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7712088&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1327769(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Deutz AG filed Critical Deutz AG
Publication of EP1327769A2 publication Critical patent/EP1327769A2/fr
Publication of EP1327769A3 publication Critical patent/EP1327769A3/fr
Application granted granted Critical
Publication of EP1327769B1 publication Critical patent/EP1327769B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/31—Air-cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine

Definitions

  • the invention relates to an internal combustion engine with a crankcase, in which a crankshaft is rotatably mounted on which at least one connecting rod bearing a piston is articulated, wherein the piston is movable in a covered by a cylinder head to form a working space cylinder and the working space via gas exchange means fresh gas can be supplied from a fresh gas line and exhaust gas can be discharged into an exhaust pipe and wherein the exhaust pipe and the fresh gas line are connected via an air-cooled return line, which is arranged in a partial region designed as an air-exhaust heat exchanger directly to the internal combustion engine.
  • Such an internal combustion engine is known from EP 1 154 144 A1.
  • This internal combustion engine has a return line which connects the exhaust line and the fresh gas line of the internal combustion engine controlled by a valve.
  • the peculiarity of this return line is the integration of this line directly in the cylinder head of the internal combustion engine.
  • the return line is arranged on an end face of the cylinder head designed as a cross-flow head and has on the outside of cooling ribs to increase the heat transfer surface, while the return line is adjacent to the gas exchange channels of the adjacent cylinder side facing a liquid-cooled refrigerator.
  • the invention has for its object to improve the cooling of the return line.
  • the air-exhaust heat exchanger of an existing cooling air flow of the internal combustion engine is flowed through, which is funded by a built-in internal combustion enginede Kunststoffgebläse_. Due to this design, intensive cooling can be achieved without significant additional effort and without significant changes to the internal combustion engine.
  • the cooling air flow is conveyed by a cooling air blower integrated in the internal combustion engine.
  • a cooling air blower is present, in particular in an air-cooled and / or oil-cooled internal combustion engine, so that according to the invention only the additional air-exhaust heat exchanger is provided and installed. In this case, recourse may be had to basically known and existing air-exhaust heat exchangers.
  • the air-exhaust heat exchanger is arranged in the exhaust air flow of the engine cooling system. It is again provided in a further embodiment to arrange the air-exhaust heat exchanger along at least a portion of the cylinder head of the internal combustion engine, wherein between the air-exhaust heat exchanger and the cylinder head, an air-liquid heat exchanger for the oil or air-cooled internal combustion engine is arranged ,
  • the cooling-air blower conveys the cooling-air flow along the cylinder head and / or through a part of the cylinder head, wherein a partial flow of the conveyed cooling air is first conveyed through the air-liquid heat exchanger and then through the air-exhaust heat exchanger , In this case - if at all - only the delivery rate of the cooling air blower needs to be adapted to the slightly increased flow resistance through the additional air-exhaust heat exchanger.
  • the single FIGURE shows an inventively designed internal combustion engine, which is a self-igniting, four-cylinder internal combustion engine is.
  • the internal combustion engine has a crankcase 1, which is bounded below by an oil pan 2.
  • a crankshaft is mounted, are hinged to the four connecting rods, which carry four pistons accordingly.
  • the pistons are movable in cylinders, which are part of the crankcase, and between the pistons and a cylinder head covering the cylinders, a working chamber is formed in each case.
  • Fresh gas (combustion air) from a fresh gas line in the form of an intake line or charge air line 3 can be fed to the working space via a gas exchange device in the form of at least one inlet valve and exhaust gas can be discharged via at least one outlet valve into an exhaust line arranged below the charge air line 3.
  • the crankshaft drives a camshaft via a toothed belt arranged behind a protective housing 4, which carries the actuating cams for the gas exchange devices and cams for injection pump elements, wherein the injection pump elements are arranged behind a cover 5 approximately parallel to the individual cylinders.
  • These injection pump elements are connected via short injection lines arranged in the cylinder head injectors which protrude into the individual work spaces.
  • a V-belt pulley 6 is mounted on the crankshaft, which drives a cooling air blower 8 via a V-belt 7.
  • a cooling air blower 8 In the cooling air blower 8, an alternator is integrated.
  • the illustrated internal combustion engine is oil / air cooled and the cooling air blower 8 conveys the cooling air along the cylinder bank and along the cylinder head.
  • a partial flow of the conveyed cooling air is passed through an arranged in the region of the cylinder head air-oil heat exchanger, above this heat exchanger, an air-exhaust heat exchanger 14 is arranged through which the cooling air also flows through and exits up into the environment.
  • the air-exhaust heat exchanger has end boxes 15a, 15b, wherein the end box 15a is connected via a line 16 to the charge air line 3.
  • This line 16 and the air-exhaust heat exchanger 14 in total are part of an exhaust gas recirculation line, wherein the end box 15b is connected to the exhaust pipe via a control valve.
  • the exhaust gas thus flows via the end box 15b into the air-exhaust heat exchanger 14, is cooled, and passes through the end box 15a and the line 16 in the charge air line 3.
  • This configuration and arrangement of the air-exhaust heat exchanger 14 on the cylinder head above the air-liquid heat exchanger is a very compact design that does not or only insignificantly affects the external dimensions of the internal combustion engine. It is also provided in the context of the invention to arrange the air-exhaust heat exchanger in addition to the air-liquid heat exchanger within the existing cylinder head side outer contours of the internal combustion engine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (5)

  1. Moteur à combustion interne comprenant un carter de manivelle (1), dans lequel est logé à rotation un vilebrequin sur lequel au moins une bielle portant un piston est articulée, le piston étant mobile dans un cylindre recouvert d'une culasse avec formation d'un volume de travail, et du gaz frais pouvant être amené depuis une conduite de gaz frais au volume de travail par des organes de changement de gaz et les gaz d'échappement pouvant être évacués par une conduite de gaz d'échappement, et la conduite de gaz d'échappement et la conduite de gaz frais étant reliées par une conduite de recirculation refroidie à l'air qui, conformée dans une zone partielle comme échangeur de chaleur air/gaz d'échappement (14), est disposée directement sur le moteur à combustion interne, caractérisé en ce que l'échangeur de chaleur air/gaz d'échappement (14) est parcouru par un flux existant d'air de refroidissement du moteur à combustion interne, qui est refoulé par un ventilateur d'air de refroidissement (8) intégré dans le moteur à combustion interne.
  2. Moteur à combustion interne selon la revendication 1, caractérisé en ce que l'échangeur de chaleur air/gaz d'échappement (14) est disposé dans le flux d'air de sortie du système de refroidissement du moteur à combustion interne.
  3. Moteur à combustion interne selon l'une quelconque des revendications précédentes, caractérisé en ce que le moteur à combustion interne est refroidi à l'air et/ou à l'huile.
  4. Moteur à combustion interne selon l'une quelconque des revendications précédentes, caractérisé en ce que l'échangeur de chaleur air/gaz d'échappement (14) est disposé le long d'au moins une partie de la culasse du moteur à combustion interne.
  5. Moteur à combustion interne selon la revendication 4, caractérisé en ce qu'un échangeur de chaleur air/liquide pour moteurs à combustion interne refroidis à l'huile et/ou à l'air se trouve entre l'échangeur de chaleur air/gaz d'échappement (14) et la culasse.
EP03000240A 2002-01-15 2003-01-08 Moteur à combustion interne avec recirculation de gaz d'échappement Revoked EP1327769B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10201122A DE10201122A1 (de) 2002-01-15 2002-01-15 Brennkraftmaschine mit Abgasrückführung
DE10201122 2002-01-15

Publications (3)

Publication Number Publication Date
EP1327769A2 EP1327769A2 (fr) 2003-07-16
EP1327769A3 EP1327769A3 (fr) 2004-12-08
EP1327769B1 true EP1327769B1 (fr) 2006-04-12

Family

ID=7712088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03000240A Revoked EP1327769B1 (fr) 2002-01-15 2003-01-08 Moteur à combustion interne avec recirculation de gaz d'échappement

Country Status (3)

Country Link
EP (1) EP1327769B1 (fr)
AT (1) ATE323225T1 (fr)
DE (2) DE10201122A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005059006A1 (de) * 2005-12-08 2007-06-14 Deutz Ag Abgasrückführung einer Brennkraftmaschine
DE102007054954A1 (de) * 2007-11-17 2009-05-20 Deutz Ag Luftgekühlte Brennkraftmaschine
DE102008026179A1 (de) * 2008-05-30 2009-12-03 Deutz Ag Brennkraftmaschine mit Abgasrückführung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240239C2 (de) * 1992-12-01 1995-11-30 Wolfgang Schmitz Verbrennungskraftmaschine
DE19541362C1 (de) 1995-11-07 1997-01-23 Mtu Friedrichshafen Gmbh Abgasrückführung bei Dieselmotoren
DE19736500A1 (de) * 1997-08-22 1998-12-24 Daimler Benz Ag Mehrzylindrige Brennkraftmaschine mit V-förmig angeordneten Zylinderreihen
AT2490U1 (de) * 1997-11-28 1998-11-25 Avl List Gmbh Kühleranordnung für eine aufgeladene brennkraftmaschine mit abgasrückführung
AT2539U1 (de) * 1997-12-22 1998-12-28 Avl List Gmbh Brennkraftmaschine mit mindestens einem abgasturbolader
US6213074B1 (en) * 1999-07-13 2001-04-10 Detroit Diesel Corporation Internal combustion engine with wedge-shaped cylinder head and integral intake manifold and rocker cover therefor
IT1320352B1 (it) * 2000-05-12 2003-11-26 Iveco Fiat Motore endotermico provvisto di un impianto di ricircolo di gas discarico, in particolare per un veicolo.

Also Published As

Publication number Publication date
DE10201122A1 (de) 2003-07-24
ATE323225T1 (de) 2006-04-15
EP1327769A2 (fr) 2003-07-16
EP1327769A3 (fr) 2004-12-08
DE50302925D1 (de) 2006-05-24

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